Fracking risks to ground water assessed

(Phys.org) —Extraction of "unconventional" gas from sedimentary rocks such as shale could provide a clean energy source and help some regions to become energy independent, but concerns have been raised about risks such ...

Used coffee grounds are a rich source of healthful antioxidants

To plant food, insect repellant and other homespun uses for spent coffee grounds, scientists are adding an application that could make the gunk left over from brewing coffee a valuable resource for production of dietary supplements. ...

Baked goods could become bioplastics

That day-old Starbucks croissant may not need to go into the garbage after all. A new technique developed by Carol S. K. Lin, a biochemical engineer at the City University of Hong Kong, could turn uneaten pastries and coffee ...

From food waste to bus fuel and biofertilizer

Banana peel, coffee grounds and other food waste will be transformed into green fuel for Oslo’s city buses starting next year. The Norwegian capital’s new biogas plant will also supply nutrient-rich biofertilizer ...

Carbonized coffee grounds remove foul smells

For coffee lovers, the first cup of the morning is one of life's best aromas. But did you know that the leftover grounds could eliminate one of the worst smells around – sewer gas?

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